IS42S16160B-7TI-TR
| Part Description |
IC DRAM 256MBIT PAR 54TSOP II |
|---|---|
| Quantity | 116 Available (as of May 5, 2026) |
| Product Category | Memory |
|---|---|
| Manufacturer | Integrated Silicon Solution Inc |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | RFQ |
| Datasheet |
Specifications & Environmental
| Device Package | 54-TSOP II | Memory Format | DRAM | Technology | SDRAM | ||
|---|---|---|---|---|---|---|---|
| Memory Size | 256 Mbit | Access Time | 5.4 ns | Grade | Industrial | ||
| Clock Frequency | 143 MHz | Voltage | 3V ~ 3.6V | Memory Type | Volatile | ||
| Operating Temperature | -40°C ~ 85°C (TA) | Write Cycle Time Word Page | N/A | Packaging | 54-TSOP (0.400", 10.16mm Width) | ||
| Mounting Method | Volatile | Memory Interface | Parallel | Memory Organization | 16M x 16 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | RoHS Compliance | ROHS3 Compliant | REACH Compliance | REACH Unaffected | ||
| Qualification | N/A | ECCN | EAR99 | HTS Code | 8542.32.0024 |
Overview of IS42S16160B-7TI-TR - 256Mbit Parallel SDRAM Memory
The IS42S16160B-7TI-TR is a 256Mbit synchronous dynamic random access memory (SDRAM) designed for systems requiring high-speed, volatile memory with parallel interface. Organized as 16M x 16, this SDRAM operates at clock frequencies up to 143MHz with 5.4ns access time, making it suitable for embedded systems, consumer electronics, and industrial applications where cost-effective memory expansion is essential.
Key Features
- Memory Architecture - 256Mbit capacity organized as 16M words by 16 bits, providing flexible data width for various system designs.
- Performance Specifications - 143MHz maximum clock frequency with 5.4ns access time delivers responsive data throughput for time-sensitive applications.
- Power Supply - 3V to 3.6V operating voltage range simplifies integration with standard 3.3V logic systems.
- Parallel Interface - Traditional parallel SDRAM interface enables straightforward integration with legacy processor architectures and memory controllers.
- Operating Temperature Range - -40°C to 85°C industrial temperature rating ensures reliable operation across harsh environmental conditions.
- Package Type - 54-pin TSOP II (10.16mm width) surface-mount package offers space-efficient board layout.
Typical Applications
- Industrial Control Systems - This SDRAM provides reliable memory for PLCs, HMI panels, and motor controllers where the extended temperature range supports operation in factory floor environments.
- Consumer Electronics - The memory serves as main system RAM in set-top boxes, digital TVs, and home appliances where cost-effectiveness and moderate performance requirements align with SDRAM capabilities.
- Embedded Computing - Supports legacy embedded processor platforms requiring parallel SDRAM interface, enabling system upgrades and long-term product maintenance.
- Automotive Infotainment - The industrial temperature rating makes this memory suitable for in-vehicle entertainment and navigation systems operating in cabin temperature extremes.
- Test and Measurement Equipment - Provides data buffer memory in oscilloscopes, analyzers, and instrumentation where moderate bandwidth meets data capture requirements.
Unique Advantages
- Industrial Temperature Support: -40°C to 85°C operation reduces system design complexity by eliminating need for thermal management in moderate industrial environments.
- Standard SDRAM Interface: Parallel SDRAM protocol ensures broad compatibility with existing memory controllers and processor platforms, simplifying drop-in replacements.
- 3.3V Single Supply Operation: Standard voltage requirement eliminates need for multiple power rails, reducing BOM costs and power supply complexity.
- Proven SDRAM Technology: Mature technology offers cost advantages over newer memory types for applications where bandwidth requirements align with SDRAM performance.
- 16-bit Data Width: x16 organization provides optimal balance between data throughput and pin count for mid-range embedded applications.
- Space-Efficient Package: TSOP II form factor maximizes board density while maintaining manufacturability for automated assembly processes.
Why Choose IS42S16160B-7TI-TR?
This SDRAM is positioned for designs requiring cost-effective volatile memory with industrial temperature support and parallel interface compatibility. It is ideal for embedded systems, industrial controls, and consumer products where 256Mbit capacity, 143MHz operation, and proven SDRAM technology meet performance requirements without the premium cost of DDR technologies. The -40°C to 85°C temperature range extends deployment options beyond commercial-grade memory.
Note that this product has obsolete lifecycle status. While existing designs may continue to use available inventory, new designs should evaluate current memory offerings from ISSI or consider alternative suppliers for long-term availability and support.
Ready to Integrate IS42S16160B-7TI-TR?
Contact our sales team for pricing, availability information, and technical support. Our applications engineers can assist with memory controller configuration, timing analysis, and system integration guidance to ensure successful implementation in your design.